var swiper = new Swiper('.swiper-container', {
    spaceBetween: 30,
    centeredSlides: true,
    autoplay: {
        delay: 2500,
        disableOnInteraction: false,
    },
    pagination: {
        el: '.swiper-pagination',
        clickable: true,
    },
    navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
    },
});
$('.intro a').click(function (e) {
    e.preventDefault();
    $('.intro div').hide();
    $(this).next().show();
    $('.intro a').removeClass('.intro action');
    $(this).addClass('.intro action')
})

$('nav span').eq(0).click(function(){
    history.go(-1)
    // console.log(12)
})